baltimore ranks third. san francisco deserves to be on the list, too, according to some tourists like this family from australia. >> it has been grimey and dirty. my son got spat on last night. >> the counter point to not so pristine conditions, the magazine readers gave san francisco high marks for fine dining, edge nick food, tech savvy people and good public transportation. >> those things overpower the fact the dirtiness. i think the fact is that busiest cities in the united states rank higher. >> the mayor says it's time for a spring cleaning campaign. >> i think everybody will agree. there are favorite door doors we like people to see but we don't like the trash on the streets or graffiti. >> the mayor used to be the head of the department of public works charged with cleaning all that have stuff up. and now, by the way this survey taken from may through august of last rear but results were just published in an online magazine this month. live in san francisco, abc 7 news. >> okay. thank you. >> and t